pfSense

System info widget CPU usage not updating in IE. Needs Math.trunc() polyfill.

Also affected versions:
2.3.4 (gitsync), 2.3.5 (2.3)
2.4.0, 2.4.1 (2.4)

/usr/local/www/js/polyfills.js

/***
** 
** Polyfill for older browsers that don't yet have the newer "Math.trunc()" function implemented.
** Source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc#Polyfill
** Documentation: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc
** 
***/

Math.trunc = Math.trunc || function(x) {
  if (isNaN(x)) {
    return NaN;
  }
  if (x > 0) {
    return Math.floor(x);
  }
  return Math.ceil(x);
};